Atmos Bubble and boom! Index measured, not opinion

Labyrinth (1986)

DEMO 5.5 · BUBBLE 7.3 · BOOM 4.1 (with BEQ 7.0). Bass measured on the disc, Atmos. Directed by Jim Henson. Adventure, Fantasy, Family.

Labyrinth (1986) poster
Front
28%
L48%
28%
R50%
100%
C92%
LFE
16%
LFE37%
Surround
12%
Ls33%
12%
Rs32%
6%
Lrs20%
6%
Rrs20%
Wide
6%
Lw9%
6%
Rw10%
Height
6%
Ltf14%
6%
Rtf14%
9%
Ltm23%
9%
Rtm23%
7%
Ltr22%
8%
Rtr22%

Bar and top figure — level against the film’s most active channel. Bottom figure — share of the runtime the channel carries signal.

DEMO
5.5 / 10
Bubble
7.3 / 10
Boom, as released
4.1 / 10
Boom with BEQ
7.0 / 10
Measured release
Disc · Atmos · chart by aron7awol
Deep bass peak, 10–30 Hz
-33.6 dBFS · with BEQ -23.4
Depth, 10–20 vs 30–60 Hz
-15.1 dB · with BEQ +3.4
Average level, 10–30 Hz
-59.1 dBFS · with BEQ -48.9
Minutes of deep bass
14 min · with BEQ 18 min at ≥ −30 dBFS
Filtered release
its BEQ restores up to 30.3 dB at 10–20 Hz
Tomatometer
63% · as of 18 Sep 2026
Metascore
50 / 100 · as of 17 Oct 2025
Chart scale read
-10 to -69.7 dBFS
Height uptime
19.7%
LFE uptime
37.2% (shown, not scored)
Dynamic range
24.2 dB
Channels used
16 of 16
Genres
Adventure, Fantasy, Family
Tags
adventure, children's, coming-of-age, fantasy, musical
Audio
Atmos
Released
27 Jun 1986
First listed
4 Dec 2018
Sources
PerceptualPro + BEQ
Render
current

Channel by channel, through the film

One lane per speaker, the whole film from left to right. Bar height is how loud that speaker gets (square-root scale against this film's loudest moment, so quiet passages stay visible). The amber line under a lane marks the moments counted as playing, and the figure on the right is their share of the film. For the six height speakers that share is part of BUBBLE.

Front
L
48%
R
50%
C
92%
LFE
LFE
37%
Surround
Ls
33%
Rs
32%
Lrs
20%
Rrs
20%
Wide
Lw
9.2%
Rw
9.5%
Height
Ltf
14%
Rtf
14%
Ltm
23%
Rtm
23%
Ltr
22%
Rtr
22%
0:000:511:41

Read from PerceptualPro's channel-activity graph, pixel by pixel. A lane marked unused never rises out of its line.

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